A 2014 Jeep Wrangler uses 5W-20 or 0W-20 synthetic oil depending on the engine type. If you own this iconic off-roader, you might be wondering what oil does a 2014 jeep wrangler take to keep it running smooth. The answer is simple: for the 3.6L Pentastar V6, stick with 5W-20 full synthetic. For the 2.8L diesel, you need 5W-40 synthetic diesel oil. Let’s break it down so you get it right every time.
Choosing the wrong oil can hurt performance and fuel economy. You want your Wrangler to last, especially if you take it off-road. This guide covers everything—from viscosity to oil change intervals. No fluff, just facts.
What Oil Does A 2014 Jeep Wrangler Take
The exact answer depends on your engine. The 2014 Wrangler came with two main options: the 3.6L Pentastar V6 gasoline engine and the 2.8L turbo diesel four-cylinder. Each has specific oil requirements.
For the 3.6L V6, Jeep recommends 5W-20 full synthetic oil. You can also use 0W-20 if you live in a very cold climate. For the 2.8L diesel, use 5W-40 full synthetic diesel oil. Always check your owner’s manual for the final word.
Engine Oil Specifications For 2014 Jeep Wrangler
Here are the key specs for each engine type:
- 3.6L Pentastar V6: 5W-20 full synthetic, API SN or higher, ILSAC GF-5
- 2.8L Turbo Diesel: 5W-40 full synthetic, API CJ-4 or CK-4
- Oil capacity (V6): 6 quarts with filter change
- Oil capacity (Diesel): 7.5 quarts with filter change
Don’t mix oil types. Stick with synthetic for better protection and longer intervals. Conventional oil is not recommended for the Pentastar engine.
Why 5W-20 Is The Best Choice For The 3.6L V6
5W-20 is thin enough for cold starts but thick enough at high temperatures. The 3.6L Pentastar engine runs hot, especially under load. Synthetic oil handles heat better than conventional.
Using 5W-20 helps maintain oil pressure and reduces engine wear. It also improves fuel economy by reducing friction. If you live in a place with extreme cold, 0W-20 works fine too.
Can You Use 0W-20 Instead Of 5W-20?
Yes, you can. 0W-20 is thinner at startup, which helps in freezing temperatures. It meets the same API and ILSAC standards. Some owners switch to 0W-20 for winter months. Just make sure it’s full synthetic.
But for most climates, 5W-20 is the safer bet. It provides better protection at high engine temps. Stick with what Jeep recommends unless you have a specific reason to change.
Diesel Engine Oil: 5W-40 Full Synthetic
The 2.8L diesel engine requires heavy-duty diesel oil. 5W-40 is the standard viscosity. Look for API CJ-4 or CK-4 ratings. These oils handle soot and high cylinder pressures better.
Don’t use gasoline engine oil in the diesel. It lacks the additives needed for diesel engines. Using the wrong oil can cause sludge and reduce engine life.
How To Check And Change Oil In A 2014 Jeep Wrangler
Changing oil in a Wrangler is straightforward. You don’t need a lift—just a jack and stands. Here’s a step-by-step guide.
Tools And Materials Needed
- 5 quarts of 5W-20 full synthetic oil (or 7.5 for diesel)
- New oil filter (Mopar or equivalent)
- Oil filter wrench
- Drain pan
- Socket set (15mm for drain plug)
- Funnel
- Gloves and rags
Step-By-Step Oil Change Process
- Warm up the engine for a few minutes. This helps oil drain faster.
- Jack up the front of the Wrangler and secure it on jack stands.
- Place the drain pan under the oil pan. Remove the drain plug with a 15mm socket.
- Let the oil drain completely. This takes 5-10 minutes.
- Remove the old oil filter using a filter wrench. It’s located on the passenger side of the engine.
- Lubricate the new filter’s gasket with a little fresh oil. Install it hand-tight.
- Reinstall the drain plug. Torque to 20 ft-lbs.
- Add new oil through the filler cap. Use a funnel to avoid spills.
- Check the oil level with the dipstick. Add more if needed.
- Start the engine and let it run for a minute. Check for leaks.
That’s it. You’re done. Dispose of old oil properly at a recycling center.
Oil Filter Options For 2014 Wrangler
Use a high-quality oil filter. Mopar is the OEM brand, but you can also use Fram, Mobil 1, or Wix. Make sure it’s designed for the 3.6L Pentastar or 2.8L diesel.
Cheap filters can clog or fail. Spend a few extra dollars for peace of mind. Change the filter every oil change.
Oil Change Intervals For 2014 Jeep Wrangler
Jeep recommends changing oil every 6,000 miles or 6 months for the 3.6L V6. For the diesel, it’s every 5,000 miles or 6 months. But if you drive hard off-road, change it sooner.
Severe driving conditions include:
- Frequent off-roading
- Towing trailers
- Extreme heat or cold
- Stop-and-go traffic
- Dusty roads
In these cases, change oil every 3,000-4,000 miles. It’s cheap insurance for your engine.
Synthetic Vs Conventional Oil: What’s Best?
Full synthetic oil is the way to go for your 2014 Wrangler. It provides better protection, lasts longer, and handles extreme temperatures. Conventional oil breaks down faster and doesn’t protect as well.
Some owners use synthetic blends to save money. But for the Pentastar engine, full synthetic is recommended. It keeps the engine cleaner and reduces sludge buildup.
Diesel engines must use synthetic diesel oil. Conventional diesel oil doesn’t have the same additives.
Common Questions About 2014 Jeep Wrangler Oil
Here are answers to frequent questions. These cover real-world concerns from Wrangler owners.
Can I Use 10W-30 In My 2014 Wrangler?
No, don’t use 10W-30. It’s too thick for the Pentastar engine. It can cause poor fuel economy and increased wear. Stick with 5W-20 or 0W-20.
What Happens If I Use The Wrong Oil?
Using the wrong viscosity can lead to engine damage. Thick oil reduces flow, causing wear. Thin oil can’t protect at high temps. Always follow the manual.
How Much Oil Does A 2014 Jeep Wrangler Take?
The 3.6L V6 takes 6 quarts with filter change. The 2.8L diesel takes 7.5 quarts. Always check the dipstick after filling.
Is It Ok To Use Synthetic Blend Oil?
It’s better than conventional, but full synthetic is best. Synthetic blend is a mix of conventional and synthetic. It doesn’t offer the same protection as full synthetic.
Do I Need To Use Mopar Oil Filter?
No, but use a quality brand. Mopar is fine, but Fram, Mobil 1, or Wix work well too. Avoid no-name filters.
Best Oil Brands For 2014 Jeep Wrangler
You don’t need to overthink this. Stick with reputable brands. Here are top choices:
- Mobil 1 – 5W-20 Full Synthetic
- Pennzoil Platinum – 5W-20 Full Synthetic
- Castrol Edge – 5W-20 Full Synthetic
- Valvoline Advanced – 5W-20 Full Synthetic
- Shell Rotella T6 – 5W-40 (for diesel)
These oils meet or exceed Jeep’s specifications. They’re widely available at auto parts stores.
Where To Buy Oil For Your Wrangler
You can buy oil at:
- AutoZone
- Advance Auto Parts
- Walmart
- Amazon
- Local Jeep dealership
Prices vary. A 5-quart jug of 5W-20 full synthetic costs around $25-$35. Filters are $5-$15.
Tips For Maintaining Your 2014 Wrangler’s Engine
Good oil is just one part of engine care. Here are other tips:
- Check oil level every month. Low oil can cause damage.
- Watch for leaks. Common spots are the oil pan gasket and valve cover.
- Use the correct oil weight. Don’t guess.
- Change oil before long trips. Fresh oil protects better.
- Keep records of oil changes. Helps with resale value.
Your Wrangler is built tough, but it still needs regular maintenance. Oil changes are the most important thing you can do.
Frequently Asked Questions
What Oil Does A 2014 Jeep Wrangler Take For The 3.6L Engine?
It takes 5W-20 full synthetic oil. You can also use 0W-20 in cold climates. Capacity is 6 quarts with filter.
Can I Use 5W-30 In My 2014 Jeep Wrangler?
No, 5W-30 is not recommended. It’s too thick and can cause engine issues. Stick with 5W-20.
How Often Should I Change Oil In A 2014 Wrangler?
Every 6,000 miles or 6 months for the V6. Every 5,000 miles for the diesel. Change sooner if you off-road a lot.
What Type Of Oil Filter Does A 2014 Wrangler Need?
It needs a filter designed for the 3.6L Pentastar or 2.8L diesel. Mopar, Fram, and Mobil 1 are good choices.
Is Synthetic Oil Required For A 2014 Jeep Wrangler?
Yes, full synthetic is recommended. It provides better protection and longer intervals. Conventional oil is not ideal.
Final Thoughts On 2014 Jeep Wrangler Oil
Now you know exactly what oil does a 2014 jeep wrangler take. For the 3.6L V6, use 5W-20 full synthetic. For the 2.8L diesel, use 5W-40 full synthetic diesel oil. Change it regularly and use quality filters.
Don’t overcomplicate it. Follow the manual, check your oil level, and your Wrangler will reward you with years of reliable service. If you’re unsure, ask a mechanic or check online forums. But the info here is solid.
One last thing: always dispose of used oil responsibly. It’s bad for the environment. Most auto parts stores take it for free.
That’s it. Go change your oil and hit the trails.